Super Tuesday
On Super Tuesday 24 states went to the polls, the largest single day of voting in the nomination process

Jargonbuster
CNN.com defines all those terms you've been hearing on the campaign trail but were afraid to ask about

* Special Notes

• Delegate counts represent CNN's most recent total for each candidate. There are currently 4,234 total delegates to the Democratic National Convention, including 3,409 pledged delegates and 825 superdelegates. The total number of delegate votes needed to win the nomination is 2,118. There are currently 2,380 total delegates to the Republican National Convention, including 1,917 pledged delegates and 463 unpledged delegates. The total number of delegate votes needed to win the nomination is 1,191. More about the delegate selection process
• Needed to Win: This refers to the total number of delegate votes needed by a candidate to win the party's nomination.

Primary Season Debates

Relive the CNN/YouTube debates and other lively moments as Republican and Democratic presidential hopefuls squared off along the campaign trail. Full coverage

States to Watch

As the campaigns moved across the country, 12 states and one territory became key battlegrounds for the parties' nominations. Hit the trail

Candidate Profiles

From ads to advisers, from supporters to spending totals, follow the candidates with videos, transcripts, speeches and other highlights. See who's in, who's out